3DM® 2 Online Help

Setting the Auto Rebuild Policy
The Auto Rebuild policy determines how the controller firmware will attempt to rebuild degraded units.
When Auto Rebuild is disabled, only spares will be automatically used to rebuild degraded units. When Auto Rebuild is enabled, the firmware will select drives to use for automatically rebuilding a degraded unit using the following priority order.

| Smallest usable spare.

| Smallest usable unconfigured (available) drive.

| Smallest usable failed drive.

Enabling Auto Rebuild allows you to add a drive to the controller and have it be available for a rebuild, without having to specify it as a spare.
With Auto Rebuild enabled, if you accidentally disconnect a drive (causing the controller to see it as a failed drive) and then reconnect it, the controller will automatically try to use it again.
To enable Auto Rebuild through 3DM 2

1 | Choose Management > Controller Settings from the menu bar in 3DM 2.

2 | In the Other Controller Settings section at the bottom of the screen, select the Enabled option for Auto Rebuild.

The page refreshes, and a message at the top confirms the change you have made.

Related Topics
  Viewing Controller Policies
  Using Auto-Carving for Multi LUN Support
  Setting the Size of Volumes Created with Auto-Carving
  Enabling and Setting Up Staggered Spin-up
  Viewing Information About a Phy
  Changing the Phy Link Speed

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